Moved from [#82] as this is a different issue.
>>SOURCE FREE IDENTIFICATION DIVISION. PROGRAM-ID. occurs-test. SCREEN SECTION. 01 screen-var LINE 1. 03 nums COL 3 PIC 999 OCCURS 3 TIMES. PROCEDURE DIVISION. DISPLAY nums . END PROGRAM occurs-test.
Should not be accepted, as OCCURS in an SCREEN item must have a relative position (in this case COL must be relative, if LINE is part of nums it could be relative, too).